79791406 has 8 divisors (see below), whose sum is σ = 120379464. Its totient is φ = 39664920.

The previous prime is 79791389. The next prime is 79791443. The reversal of 79791406 is 60419797.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114960 + ... + 115651.

It is an arithmetic number, because the mean of its divisors is an integer number (15047433).

Almost surely, 2^79791406 is an apocalyptic number.

79791406 is a deficient number, since it is larger than the sum of its proper divisors (40588058).

79791406 is a wasteful number, since it uses less digits than its factorization.

79791406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230786.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79791406 is about 8932.6035398421. The cubic root of 79791406 is about 430.5121102475.

The spelling of 79791406 in words is "seventy-nine million, seven hundred ninety-one thousand, four hundred six".